56 lines
1.5 KiB
Diff
56 lines
1.5 KiB
Diff
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
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Date: Fri, 17 Oct 2014 07:40:21 +0530
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Subject: [PATCH] ath9k: Add a function to check for an active GO
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
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---
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--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -469,6 +469,7 @@ void ath_chanctx_set_next(struct ath_sof
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void ath_offchannel_next(struct ath_softc *sc);
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void ath_scan_complete(struct ath_softc *sc, bool abort);
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void ath_roc_complete(struct ath_softc *sc, bool abort);
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+struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc);
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#else
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--- a/drivers/net/wireless/ath/ath9k/channel.c
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+++ b/drivers/net/wireless/ath/ath9k/channel.c
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@@ -146,6 +146,36 @@ void ath_chanctx_set_channel(struct ath_
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#ifdef CPTCFG_ATH9K_CHANNEL_CONTEXT
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+/*************/
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+/* Utilities */
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+/*************/
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+
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+struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc)
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+{
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+ struct ath_chanctx *ctx;
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+ struct ath_vif *avp;
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+ struct ieee80211_vif *vif;
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+
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+ spin_lock_bh(&sc->chan_lock);
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+
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+ ath_for_each_chanctx(sc, ctx) {
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+ if (!ctx->active)
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+ continue;
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+
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+ list_for_each_entry(avp, &ctx->vifs, list) {
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+ vif = avp->vif;
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+
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+ if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_P2P_GO) {
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+ spin_unlock_bh(&sc->chan_lock);
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+ return ctx;
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+ }
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+ }
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+ }
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+
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+ spin_unlock_bh(&sc->chan_lock);
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+ return NULL;
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+}
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+
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/**********************************************************/
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/* Functions to handle the channel context state machine. */
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/**********************************************************/
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